Gallium Nitrite your welcome
A binary III/V direct bandgap semiconductor called gallium nitride is ideally suited for high-power transistors that can function at high temperatures. It has been widely utilized in light-emitting diodes (LED) since the 1990s. Its chemical formula is Ga(NO₂)₃.
Blu-ray discs are read using a blue light that gallium nitride emits. Gallium nitride is also utilized in lasers, photonics, RF components, and semiconductor power devices. GaN will be used in sensor technology in the future.
Gallium nitride power amplifiers are perfect for microwave and terahertz (ThZ) devices, such as imaging and sensing, the aforementioned future market, due to their capacity to operate at significantly higher temperatures and voltages than gallium arsenide (GaAs) transistors.
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A 20 ml solution of sugar with a concentration of
1.0M is diluted to 120 mL, what is the new
concentration?
Answer:
M₂ = 0.16 M
Explanation:
Given data:
Initial volume of solution = 20 mL
Initial concentration = 1.0 M
Final volume = 120 mL
Final/new concentration = ?
Solution:
Formula:
M₁V₁ = M₂V₂
by putting values,
1.0 M × 20 mL = M₂ × 120 mL
M₂ = 1.0 M × 20 mL / 120 mL
M₂ = 20 M.mL /120 mL
M₂ = 0.16 M
In the liquid, there are hydrogen bonds that form between molecules of water and covalent bonds that form between hydrogen and oxygen within a water molecule. Which statement(s) are true about When water is boiling, which statement(s) are true?
a) The covalent bonds between hydrogen and oxygen are broken.
b) The hydrogen bonds between water molecules are broken.
c) both are true
d) neither are true
Answer:
c
Explanation:
Week 12.1 & 2
Monday/Tuesday 11/30 - 12/01/20
19
Talling
1. Most elements that form a zigzag line in the
periodic table belong to which major group?
2. True or False- metalloids make up most of the
elements on the periodic table.
3. Would Co, and NaCl be considered an element
or compound? Explain.
os E 240 PM
11/30/20
Answer:
1 metalloids
2 false
3 compound because it has more than one letter.
Explanation:
Hydrogen is converted to helium within the Sun through a process called...
Answer:
nuclear fusion
Explanation:
PLZ HELP!! WILL GIVE BRAINLIEST
Two students made the Lewis dot diagrams of H2O. The diagrams are as shown.
Two visual diagrams of an H two O molecule are shown. Student As diagram on the left has oxygen at the center and connects with two hydrogen atoms by way of straight lines. There are two pairs of dots above the oxygen atom. Student Bs diagram is identical except it has one pair of dots and instead of lines, and it has an arrow between the oxygen and each hydrogen.
Which student drew the correct Lewis dot diagram?
Only Student A
Only Student B
Both Student A and Student B
Neither Student A nor Student B
Answer:
It is only student A
Explanation:
I just took the quiz and got a 100% good luck to whever is reading this.
Student A has drew the correct Lewis dot diagram.
What is Lewis Structure?The valence shell electrons in a molecule are depicted in an extremely simplified manner by a Lewis Structure. It is used to demonstrate how the electrons in a molecule are positioned around particular atoms.
Electrons are shown as "dots" or, in the case of a bond, as a line connecting the two atoms. The octet rule and formal charges must be met in order to achieve the "optimal" electron configuration.
Lewis electron dot structures, Lewis dot diagrams, and electron dot structures are a few names for Lewis structures. All of these titles allude to the same type of diagram that is used to depict the positions of bonds and electron pairs.
Therefore, Student A has drew the correct Lewis dot diagram.
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1) Which type of bond involves valence electrons constantly moving between atoms, like a sea of electrons?
a. Ionic
b. Covalent
c. Molecular
d. Metallic
(if you answer this i will give you brainliest) ---
2) An atom of Nickel (Ni) has bonded to another atom to form a solid, crystal-like substance with a high boiling point. Which atom has Ni most likely bonded with?
a. Ca
b. Fe
c. S
d. Li
Answer:
d. Metallic
c. S
Explanation:
A metallic bond is an interatomic bond in which valence electrons are constantly moving between atoms like a sea of electrons.
The formation of this bond type is favored by a large atomic radius, low ionization energy, and a large number of electrons in the valence shell. The metallic bond is an attraction between the positive nuclei of all the closely packed atoms in the lattice and the electron cloud jointly formed by all the atoms losing their outermost shell electrons.2. The bond type described in the second problem is an ionic bond. This results in the formation of crystal lattice with strong bonds.
It occurs between metals and non-metalsSince Nickel is a metal, sulfur is the only given non-metal that will make it form an ionic bond.In an avalanche, a large amount of snow slides down a hill. What energy
conversion takes place during an avalanche?
Gravitational potential energy to kinetic energy. Hence, option A is correct.
What is kinetic energy?
Kinetic energy is a form of energy that an object or a particle has by reason of its motion
If an avalanche occurs, the snow on the mountain accelerates downslope, converting more gravitational potential energy to kinetic energy.
Hence, option A is correct.
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The density of a gas is 1.25 grams/liter. Which of the following is correct to convert the density of the gas to ounce/milliliter? [1 gram = 0.04 ounce, 1 liter = 1,000 milliliter] (4 points)
Multiply 1.25 by 0.04 and divide the result obtained by 1,000
Divide 1.25 by 0.04 and multiply the result obtained by 1,000
Divide 1.25 by the product of 0.04 and 1,000
Multiply the numbers 1.25, 0.04, and 1,000
Answer:
Multiply 1.25 by 0.04 and divide the result obtained by 1,000
Explanation:
Given parameter:
Density of the gas:
1.25 g/L
Now the problem here is to convert to ounce/milliliter;
1gram = 0.04ounce
1 liter = 1000mL
So;
1.25g/ L x [tex]\frac{0.04 ounce}{1g}[/tex] x [tex]\frac{1L}{1000mL}[/tex] = 5 x 10⁻⁵ounce/mL
Please help me
What type of action is happening to location B?
Group of answer choices
subduction
divergent
convection
conduction
Answer:
divergent
Explanation:
I believe it is divergent.
What is the ratio of the side lengths on polygon FGHIJ to the corresponding side lengths on polygon ABCDE? Enter the ratio in the table. How does this ratio relate to the scale factor of the dilation?
Explanation:
this is the exact answer!!
Answer:
The ratio of the side lengths on FGHIJ to the corresponding side lengths on ABCDE is 1 : 2. The scale factor of the dilation that takes the size of ABCDE to the size of FGHIJ is 0.5. The ratio of corresponding side lengths is equal to the scale factor of dilation.
Ratio: 1:2
Explanation:
PLATO
the ratio is 1:2 all the way down for all 5 sections of the side lengths
Which of these elements has an electron dot
notation that is different from the rest?
O radon, Rn
O krypton, Kr
O helium, He
Xenon, Xe
neon, Ne
argon, Ar
Postpone
SIIRMIT
Answer:
i think is o helium, He........
The electron dot structure of neon, argon, krypton, xenon and radon contains 8 valence electrons whereas, helium contains only 2 electrons. Thus, He is different from others.
What are noble gases?Noble gases are 18th group elements in periodic table. They have completely filled electronic configuration. They need not to lose or gain electrons because they are stable.
Noble gases are helium, neon, argon , krypton, xenon and radon. He contains 2 electrons only. Its valence shell K is filled that's why He is considered as noble gas.
All other elements in the group neon, argon, krypton, xenon and radon contains 8 valence electrons. Therefore, the dot structure of He is different from its group members.
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12. What is the smallest particle that can be called an element?
Answer:
Atom
Explanation:
Answer:
atom
Explanation:
oof its atom but i need 2p characters
You have three substances that are all solids at room temperature and want to know which substance
has the strongest attractive forces between particles.
How could you design an experiment to determine which substance has the strongest attractive forces? Be sure to state what you would do in the laboratory and what data you would collect.
Answer:
please follow me
you can just search it on chrome and it will give you the answer to your question
what is the speed and appearance of most cold fronts
Answer:
25mph
Explanation:
cold fronts generally Advance at an average speed of 20 to 25 miles per hour. Towards the east faster in the winter than summer and are usually oriented along the northeast to Southwest line
Calculate the energy of a photon of radiation with a wavelength of 6.4 x 10-5 m.
Answer:
The energy is
=
3.11
⋅
10
−
19
J
Explanation:
i hope this helps
Where did the pendulum have the maximum potential energy?
Answer:
potential energy is maximum in extreme position and kinetic energy is maximum at it's mean position.
The power of a crane is 25000 watt. What work will be done by it in 4 seconds?
Answer:
100000J
Explanation:
Given parameters:
Power of the crane = 25000W
Time taken = 4s
Unknown:
Work done by the crane = ?
Solution:
Power is the rate at which work is being done. It is expressed as:
Power = [tex]\frac{Work done }{Time taken }[/tex]
Work done = Power x Time taken
Now insert the parameters and solve;
Work done = 25000 x 4 = 100000J
HURRY FOR A TEST! The ionization energies for removing successive electrons from sodium are 496 kJ/mol, 4562 kJ/mol,
6912 kJ/mol, and 9544 kJ/mol. The great jump in ionization energy after the first electron is removed
indicates that
Select one:
a. sodium has four or five electrons.
b. the atomic radius has increased.
c. a d-electron has been removed.
d. the noble gas configuration has been reached.
Answer:
D. The noble gas configuration has been reached.
Explanation:
what is a catalyst?what is the catalyst used for manufacturing ammonia?
Answer:
finely divided iron is used as catalyst in the manufacture of ammonia by haber's process
Which statement describes the moment magnitude scale? Sorry if problemy not chemistry.
Answer:
Explanation:
The moment magnitude scale is a scale that rates earthquakes by estimating the total energy released by an earthquake . Estimating the total amount of energy released, enables comparison of earthquakes more accurately
i hope this helps :)
When heated, calcium carbonate decomposes according to the equation given below:
CaCO3 --> CaO + CO2
How many liters of CO2 at STP are produced when 0.68 mol of CaCO3 is heated?
15.2 L
30.4 L
0.679 L
68.0 L
Answer:
15.2L at STP
Explanation:
Given reaction expression;
CaCO₃ → CaO + CO₂
Number of moles of CaCO₃ = 0.68mol
Unknown:
Volume of CO₂ produced at STP = ?
Solution:
To solve this problem, we must first find the number of moles CO₂ produced,
1 mole of CaCO₃ will produce 1 mole of CO₂
0.68mole of CaCO₃ will produce 0.68mole of CO₂ at STP
Now;
1 mole of gas occupies a volume of 22.4L at STP;
0.68mole of CO₂ will then occupy 0.68 x 22.4 = 15.2L at STP
Write the chemical equation:
hydrogen peroxide decomposes to yield oxygen gas and water.
Explanation:
2 H2O 2 → 2H 2 O + O2.........
A scientist is studying rock formations. She notices some unusual rocks like those pictured here. What can she conclude about this area? It was part of a slow underwater eruption. It was formed at a subduction zone. It is moving toward a mid-ocean ridge. It is a very young piece of land.
Answer:
It was part of a slow underwater eruption.
Explanation: Or just A (:
Answer:
i agree with the human above me
Explanation:
love ye have a great day but i didnt have a good day bc my uncle ate my cheese puffs :'( anyways i got a 100 on the assaignment and this was the only answer i had to look up im proud of me
The area of a square is 200 cm2. What is an
estimation of its side?
a) 20 cm
C) 14 cm
b) 10 cm
d 50 cm
Answer:
14cm
Explanation:
s x s=area
s²=200cm²
s=14.1421356237cm
s=14cm
Which of the following compounds have the same empirical formula?
CO2 and SO2
C7H14 and C10H20
C4H10 and C10H4
CoH12 and CoH14
Answer:
C₇H₁₄ and C₁₀H₂₀
Explanation:
The empirical formula is that which expresses the composition of a compound in the simplest whole number ratio of the atoms of the different elements that makes up the compound.
C₇H₁₄ and C₁₀H₂₀
In both species if we divide the number of atoms by the simplest common factor, we get CH₂
C₇H₁₄ = CH₂ dividing by 7
C₁₀H₂₀ = CH₂ dividing by 10
Which of the following is NOT naturally found as a diatomic
gas?
O Chlorine
O Neon
O Oxygen
O Nitrogen
O Hydrogen
Answer:
Neon
Explanation:
How many atoms of oxygen are in the following compound? Ba3(PO4)2
Answer: 8 atmos
Explanation: In one formula unit of barium phosphate there are 3 atoms of barium (Ba) (2)(1) = 2 atoms of phosphorus (P) (2)(4) = 8 atoms of oxygen (O).
How is a molecular formula written??
Answer:
Molecular Formula is a representation of a compound that what atoms of elements are present in the molecule of a compound. The actual numbers of atoms of each element that occur in the smallest free unit or molecule of the compound is expressed by the molecular formula of the compound. Molecular formulas contain no information about the arrangement of atoms. Because of this, one molecular formula can describe a number of different chemical structures only.
define Nuclear Fission with an example of it
Answer:
Fission is the splitting of an atomic nucleus into two or more lighter nuclei accompanied by energy release. ... The energy released by nuclear fission is considerable. For example, the fission of one kilogram of uranium releases as much energy as burning around four billion kilograms of coal
Explanation:
How does the level of intermoleculars bonding between the particles in matter affect the state of matter the particles are taking
Explanation:
Intermolecular force s between particles in a matter holds particles of molecules together in substances.
The stronger the intermolecular forces the more solid a substance is. The weakest intermolecular attraction are found in gases as they have negligible attractive forces in between their particles. Solids are held together by very strong attractive forces. Liquids have weak forces holding them in place and this allows for a little movement. Gases are typically have very weak to negligible attractive forces.